Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Executive producer | Superman - der Film | 1978 | |
| Producer | Superman II - Allein gegen alle | 1980 | |
| Producer | Superman III - Der stählerne Blitz | 1983 | |
| Producer | Supergirl | 1984 | |
| Producer | Superman II: The Richard Donner Cut | 2006 | |
| Producer | Santa Claus | 1985 | |
| Actor | Supergirl: The Making of the Movie | 1984 | Himself |
| Actor | Look, up in the Sky! Die fantastische Geschichte von Superman | 2006 | Himself |
| Producer | Die vier Musketiere | 1974 | |
| Producer | Die vier Musketiere | 1974 | |
| Actor | The Making of 'Superman II' | 1982 | |
| Producer | The Making of 'Superman II' | 1982 | |
| Producer | Young Alexander the Great | 2010 | |
| Producer | The Making of 'Superman III' | 1985 | |
| Producer | Der Prinz und der Bettler | 1977 | |
| Producer | Blaubart | 1972 |